291270992

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{2339}}^1$

素因数の和:2571

約数の個数: 40

約数和(自身を含む): 580900320

約数和(自身を除く): 289629328

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 181, 344, 362, 688, 724, 1448, 2339, 2896, 4678, 7783, 9356, 15566, 18712, 31132, 37424, 62264, 100577, 124528, 201154, 402308, 423359, 804616, 846718, 1609232, 1693436, 3386872, 6773744, 18204437, 36408874, 72817748, 145635496, 291270992]

約数ペア:

[(1, 291270992), (2, 145635496), (4, 72817748), (8, 36408874), (16, 18204437), (43, 6773744), (86, 3386872), (172, 1693436), (181, 1609232), (344, 846718), (362, 804616), (688, 423359), (724, 402308), (1448, 201154), (2339, 124528), (2896, 100577), (4678, 62264), (7783, 37424), (9356, 31132), (15566, 18712)]